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Simplifying Electricity

About Locktronics automotive. Simplifying Electricity. What is Locktronics?. Locktronics is a range of products that simplifies the process of learning and teaching electricity and Electronics. Subject areas we focus on. Science. Electronics / Engineering. Technology. Automotive.

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Simplifying Electricity

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  1. About Locktronics automotive Simplifying Electricity

  2. What is Locktronics? Locktronics is a range of products that simplifies the process of learning and teaching electricity and Electronics

  3. Subject areas we focus on Science Electronics / Engineering Technology Automotive

  4. The range consists of more than 200 items Baseboards Inductors System blocks Active subsystems Resistors Semiconductors Electromechanical Optoelectronic Capacitors Logic gates Curriculum packs Accessories

  5. How does Locktronics work? • Review curriculum • Take a base board • Follow instructions on worksheets • Add components • Learn through experimentation

  6. Unique benefit of Locktronics As students construct the circuit they can see the circuit diagram. This helps students link theory to practice and simplifies the learning process.

  7. Why choose Locktronics? Components identifiable under carrier Spring clips riveted on for strength Component value easily identifiable Circuit symbol bonded onto carrier Strong soldered joints Durable, robust plastic carriers are long lasting and cost effective Simple repairs can be made in-house • Makes learning easier • Saves preparation time • It lasts and Lasts • Versatility • Support Most up to date circuit symbols now available Custom made metal clips can be bent many times. Rust proof springs ensure good connection

  8. Curriculum packs – most are free of charge • LK7325 - Electricity matters 11-14 • LK7326 - Electricity matters 14-16 • LK9392 - Introduction to digital electronics • LK8392 - AC principles for automotive technicians • LK8821 – An introduction to motors and generators • LK8849 - Automotive sense and control • LK9893 - CAN bus systems

  9. Purchasing Locktronics • Buy just one item, or a selection of items

  10. Purchasing Locktronics • Buy a ‘solution’ that includes PSU, current probe, storage trays etc.

  11. Automotive – our goals • To build the World’s best suite of training resources for auto electric courses • To provide outstanding value for money and flexible purchasing options

  12. Automotive companies that use Locktronics for training Some companies use direct in their own training establishments – some through third party training companies contracted to them.

  13. Automotive plan • 1 basic kit with two curriculum packs • EMM1 and 2 • 3 intermediate kits • AC principles • Motors and generators • Digital electronics • 2 advanced kits: • Sense and Control • CAN bus • Logical thinking at some time in the future

  14. Automotive – beginner’s course Electricity, magnetism and materials • Electrical properties of materials • Simple circuits • Heat and magnetism • Basic circuit symbols • Current flow • Series and parallel circuits • Patterns of voltage and current • Electrical sensors • Relays and electromagnets Same equipment – two sets of experiments

  15. Automotive – intermediate courses AC principles for automotive technician’s • Batteries and their properties • AC signal fundamentals • DC equivalent, peak and RMS values • Reactance, Inductance and supression • Diode and Zener diode behaviour • Half and full wave rectifiers • Battery charging systems 

  16. Automotive – intermediate courses An introduction to motors and generators • Magnetic fields, field strength and flux density • Electromagnets • The force on a conductor in a magnetic field (Fleming’s Left-hand motor rule) • DC motor principles • The induced current when a conductor moves inside a magnetic field (Fleming’s Right-hand dynamo rule) • investigate the factors that determine the magnitude of the induced current; • AC generator principles • Transformer construction and operation

  17. Automotive – intermediate courses An introduction to digital electronics • Analogue and digital signals • Binary and hexadecimal number systems • A simple logic probe • Truth tables for AND, OR, NOT, NAND, NOR • NAND gates and circuits • Microcontroller circuits and logic systems

  18. Automotive – advanced Sensors and Control • DC motors with speed control • Stepper motors • Temperature sensor • Light sensor • Potential dividers and their use • Transistors as switches • Use of relays • ECU action and function • Automotive control systems • Sensor and actuator waveforms and signals • Sensor and motor faults 

  19. Automotive – advanced CAN bus • ECU action and function • Automotive control systems • Wiring in CAN bus systems • CAN bus message structure • CAN bus transactions in a system • CAN bus faults • CAN bus instrumentation used for fault detection and fault reset

  20. Automotive panel • For permanent auto-electrical labs • Double baseboard • MIAC embedded • Panel based CAN bus + Sense and control solutions available

  21. Automotive in more detail

  22. Methodology in automotive - starting • Students are advised to study Electricity, Magnetism and Materials before going on to advanced courses. • Students understand symbols, circuits, wiring, and theory • Students must get involved in wiring circuits • Students progress through ‘traditional’ subjects such as AC etc.

  23. Methodology in automotive – sense and control Students understand: • systems and ECUs • Circuitry inside an ECU • ECU wiring • How software makes open and closed loop systems • Circuit configurations • Students work in pairs • Students build circuits with 5 or 6 wires

  24. Methodology in automotive – CAN bus Students: • Wire up each node • Test each node • Students work in pairs or groups of 4 • Each circuit contains up to 14 wires

  25. Methodology in automotive – CAN bus Students wire up the whole system and use the admin /scan node to discover how the system works. This looks very difficult But students build it slowly and gain confidence in wiring

  26. Key learning points about the CAN bus program • Message structure and message transaction • Students build up tables on all CAN data • Students use diagnostic tools (Kvaser / Pico) for this

  27. Other details

  28. Locktronics PIC component • USB programmable • 4 I/O lines • Inputs are analogue or digital • 2 outputs have PWM for speed control • 3 slide switch inputs – program selection or own use • Rugged • Supplied from 6V or USB • Free copy of Flowcode 3 (some limitations) • Pre-programmed with 8 selectable programs

  29. Flowcode 3 • Also a Matrix product • A graphical programming language for microcontrollers • Simple drag and drop interface • Simulation of flow chart and components • Direct USB download • No upgrade rights to Flowcode V4

  30. MIAC • A general purpose controller • The World’s only educational ECU • Designed to give experience of many types of input/output signals and devices • Free version of Flowcode 3 • Direct USB programming

  31. MIAC features 5 6 7 8 9 • Top hat rail mounting recess • 6 character x 4 line LCD display • Power LED • Input status LEDs • 2.1mm power jack • Screw terminal inputs • Top hat rail retainer clip - upper • Reset / run switch • USB socket • USB transfer LED • Control keys • M3 mounting holes • Motor status LEDs • Motor output screw terminals • Top hat rail retainer clip - lower • Relay output screw terminals • Relay output status LEDs 4 10 2 11 3 1 12 17 13 14 16 15

  32. MIAC – educational version • Rugged case • Protected I/O • 4mm shrouded connectors • Free Flowcode 3

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